Full-open valves shall be installed in the following locations:
1. On the building water service pipe from the public water supply near the curb;
2. On the water distribution supply pipe at the entrance into the structure;
3. On the discharge side of every water meter;
4. On the base of every water riser pipe in other than Group R-5 occupancies or townhouses;
5. On the top of every water down-feed pipe in occupancies other Group R-5 occupancies;
6. On the entrance to every water supply pipe to a dwelling unit, except where supplying a single fixture equipped with individual stops;
7. On the water supply pipe to a gravity or pressurized water tank;
8. On the water supply pipe to every water heater.
(Amend Coun. J. 10-14-21, p. 37722, Art. VI, § 21)